You can't change the direction of the wind, but you can adjust your sails. Practical advice about how the world works always pisses off people who are more interested in bitching about how unfair it is.
I might believe that cleaners should be paid more and that there's nothing wrong with manual labour, that doesn't mean I'd tell my children - living in today's world as it is - that there's no reason they should prefer a job as a cleaner to a job as a lawyer or an engineer.